cm:Member: us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember
| Accident and Health Insurance, Excluding Workers' Compensation [Member] |
| us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember |
| Contract providing insurance coverage against loss by illness or injury. Includes, but is not limited to, medical, dental, disability, and long-term care. Excludes workers' compensation. |
| cm:Member |
| [Member] (nonnum:domainItemType) |
| For Period (duration) |
| (no balance type) |
| true |
| us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember |